Question

Dr. Jones studies sleep disturbances in preschool children. She randomly assigns a group of children to one of three conditions. Each child sees either a monster movie, a violent cartoon, or Sesame Street before going to bed. Parents keep a diary record of crying during the night. Dr. Jones independent variable is:______.

Answer 1

The independent variable which is used by Dr Jones in his study on preschool children on sleep disturbances is:

• Crying

What is an Independent Variable?

This refers to the type of variable which is used in a research that is not affected by other factors and remains the same, a constant.

With this in mind, we can see that based on the research which is made by Dr Jones, the independent variable which is used to study sleep disturbances is the crying which is exhibited by the children at night.

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